Also known as Tylosaurus kansasensis referred specimen
Where: Logan County, Kansas (38.9° N, 101.1° W: paleocoordinates 41.1° N, 67.0° W)
• coordinate based on political unit
When: Smoky Hill Chalk Member (Niobrara Formation), Late/Upper Coniacian (89.3 - 85.8 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; chalk
Size class: macrofossils
Collected by G. F. Sternberg
• Acquired by the MCZ in 1894 (per telecom with Charles Schaff, MCZ, 8/16/2004)
Primary reference: M. J. Everhart. 2005. Tylosaurus kansasensis, a new species of tylosaurine (Squamata, Mosasauridae) from the Niobrara Chalk of western Kansas, USA. Netherlands Journal of Geosciences — Geologie en Mijnbouw 84(3):231-240 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 118162: authorized by Philip Mannion, entered by Philip Mannion on 06.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Tylosaurus kansasensis Everhart 2005 mosasaur MCZ 1589 (fragments of the skull of an adult, including the premaxilla, left maxilla, right dentary and left quadrate). Originally identified as Tylosaurus dyspelor
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